Drilldown: Patents
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Patents > Applicant type
:
INDIV
or
INDIV + COMPANY
& Related to aircraft:
Partially
& Assigned to
:
John L. Markel
or
Sperry Gyroscope Company
& National tech categories
:
DE 77
or
None
& CPCs
:
CPC B64C11/006
or
CPC B64C39/00 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 1 result in range #1 to #1.